diff --git a/y_socket_t/Makefile b/y_socket_t/Makefile
index 8a21afd..5668c31 100644
--- a/y_socket_t/Makefile
+++ b/y_socket_t/Makefile
@@ -59,7 +59,7 @@ $(PROJECT_LIB): $(OBJ)
 	$(CC) -shared -o $@ $^ $(CFLAGS)
 
 
-$(YSOCKSRC_O): $(YSOCKSRC) $(YNODESRC_O) $(YFILEHANDLERSRC_O)
+$(YSOCKSRC_O): $(YSOCKSRC) $(YNODESRC_O) $(YFILEHANDLERSRC_O) $(WORKSRC_0)  $(YTASKSRC_0) $(YJSONSRC_O)
 	$(CC) -o $@ -c $< $(CFLAGS)
 
 $(YNODESRC_O): $(YNODESRC) $(YLISTSRC_O) 
@@ -68,7 +68,7 @@ $(YNODESRC_O): $(YNODESRC) $(YLISTSRC_O)
 $(YY_STRINGSRC_O): $(YY_STRINGSRC) $(YLISTSRC_O) 
 	$(CC) -o $@ -c $< $(CFLAGS)
 
-$(YFILEHANDLERSRC_O): $(YFILEHANDLERSRC) $(YSOCKSRC_O) 
+$(YFILEHANDLERSRC_O): $(YFILEHANDLERSRC) $(YSOCKSRC_O) $(YNODESRC_O) $(WORKSRC_0) $(YTASKSRC_0)  $(YY_STRINGSRC_O) $(YJSONSRC_O)
 	$(CC) -o $@ -c $< $(CFLAGS)
 
 $(DEPS):
diff --git a/y_socket_t/include/y_socket_t/y_file_handler.h b/y_socket_t/include/y_socket_t/y_file_handler.h
index 4ea9bab..1066af6 100644
--- a/y_socket_t/include/y_socket_t/y_file_handler.h
+++ b/y_socket_t/include/y_socket_t/y_file_handler.h
@@ -1,7 +1,17 @@
+/*file: include/y_socket_t/y_file_handler.h */
 #ifndef Y_FILE_HANDLER_T_H__C
 #define Y_FILE_HANDLER_T_H__C
 
 #include "y_socket_t/y_socket_t.h"
+#include "y_socket_t/y_node_t.h"
+#include "y_socket_t/y_list_string.h"
+
+#include "y_worker_t/y_worker_t.h"
+#include "y_worker_t/y_task_t.h"
+
+#include "json_t/json_t.h"
+
+
 
 void fileNameDateScore(char* filename, char * pre, char* post,size_t score);
 
@@ -12,7 +22,51 @@ struct arg_send_file{
 };
 
 void* y_socket_send_file_for_all_nodes(void* arg);
-void receve_from_node(struct pollfd *fds, char *msg, size_t count);
 
+enum cmd_type {
+  cmd_update_kill,
+  cmd_update_standby,
+  cmd_update_wakeup,    
+  cmd_post_file,
+  cmd_post_var,
+  cmd_get_file,
+  cmd_get_var,
+};
+
+
+typedef struct msg_content_t {
+  enum cmd_type cmd_t;
+  size_t seq;
+  char eof;
+  size_t size_content;
+  char *content; 
+  size_t size_nameid;
+  char * nameid;/* containerid: filename_src_dst_tm */
+} y_MSG_CONTENT_T;
+
+typedef struct msg_content_t * y_ptr_MSG_CONTENT_T;
+GENERATE_LIST_ALL(y_ptr_MSG_CONTENT_T)
+GEN_HEAD_PTR_LIST(y_ptr_MSG_CONTENT_T)
+
+
+typedef struct header_t {
+  enum cmd_type cmd_t;
+//  size_t seq;
+  char eof;
+//  void *content; 
+  size_t size_nameid;
+  char * nameid;/* containerid: filename_src_dst_tm */
+  struct main_list_y_ptr_MSG_CONTENT_T * m_content_l;
+} y_HEADER_T;
+
+typedef struct header_t * y_ptr_HEADER_T;
+
+GENERATE_LIST_ALL(y_ptr_HEADER_T)
+GEN_HEAD_PTR_LIST(y_ptr_HEADER_T)
+
+
+size_t set_tempAddr_from_node(char *tempAddr, y_NODE_T node);
+//void receve_from_node(struct pollfd *fds, char *msg, size_t count);
+void receve_from_node(struct main_list_y_ptr_HEADER_T *m_head_l_t, struct main_list_y_ptr_STRING *m_str, char * srcAddr, char *filename);
 
 #endif /*Y_FILE_HANDLER_T_H__C*/
diff --git a/y_socket_t/include/y_socket_t/y_socket_t.h b/y_socket_t/include/y_socket_t/y_socket_t.h
index 33fa6ea..9b3c0b9 100644
--- a/y_socket_t/include/y_socket_t/y_socket_t.h
+++ b/y_socket_t/include/y_socket_t/y_socket_t.h
@@ -9,6 +9,8 @@
 #include <fcntl.h>
 #include <string.h>
 
+#include <signal.h>
+
 //#include <sys/socket.h>
 #include <netinet/in.h>
 #include <netdb.h>
@@ -46,6 +48,7 @@ enum ipVersions{
 extern const int af_array[nbIpVersion];//={AF_INET, AF_INET6};
 
 /* y_ptr_STRING */
+
 #if 0
 struct y_string{
 	char * buf;
@@ -68,7 +71,7 @@ struct y_socket_t{
 	size_t size_fds; 
   char * port;
   struct main_list_y_NODE_T *nodes;
-  pthread_mutex_t *mut_nodes;
+//  pthread_mutex_t *mut_nodes;
 	int go_on;
   pthread_mutex_t *mut_go_on;
   int nb_workers;
diff --git a/y_socket_t/src/y_socket_t/y_file_handler.c b/y_socket_t/src/y_socket_t/y_file_handler.c
index 092a0dd..1934765 100644
--- a/y_socket_t/src/y_socket_t/y_file_handler.c
+++ b/y_socket_t/src/y_socket_t/y_file_handler.c
@@ -4,7 +4,357 @@
 
 //#include "y_socket_t/y_node_t.h"
 
+GEN_LIST_ALL(y_ptr_MSG_CONTENT_T)
 
+GEN_FUNC_PTR_LIST_FREE(y_ptr_MSG_CONTENT_T){
+  free(arg->content);
+  free(arg->nameid);
+  free(arg);
+}
+
+
+GEN_LIST_ALL(y_ptr_HEADER_T)
+
+GEN_FUNC_PTR_LIST_FREE(y_ptr_HEADER_T){
+//  free(arg->content);
+  free(arg->nameid);
+  purge_ptr_type_list_y_ptr_MSG_CONTENT_T(arg->m_content_l);
+  free(arg);
+}
+
+y_ptr_MSG_CONTENT_T create_y_ptr_MSG_CONTENT_T(char *nameid, size_t size_nameid, char* content, size_t size_content,
+  enum cmd_type cmd_t,
+  size_t seq,
+  char eof
+){
+  y_ptr_MSG_CONTENT_T new_p_content = malloc(sizeof(struct msg_content_t));
+
+  new_p_content->size_content = size_content;
+  new_p_content->content = malloc(size_content+1);
+  memcpy(new_p_content->content, content, size_content);
+  new_p_content->content[size_content]='\0';
+  new_p_content->size_nameid = size_nameid;
+  new_p_content->nameid = malloc(size_nameid+1);
+  memcpy(new_p_content->nameid, nameid, size_nameid);
+  new_p_content->nameid[size_nameid]='\0';
+
+  
+  new_p_content->cmd_t = cmd_t;
+  new_p_content->seq = seq;
+  new_p_content->eof = eof;
+
+  return new_p_content;
+
+}
+
+y_ptr_HEADER_T create_y_ptr_HEADER_T(char *nameid, size_t size_nameid, enum cmd_type cmd_t   ){
+  y_ptr_HEADER_T new_header_t = malloc(sizeof(struct header_t));
+  new_header_t->cmd_t = cmd_t;
+  new_header_t->size_nameid = size_nameid;
+  new_header_t->nameid = malloc(size_nameid+1);
+  memcpy(new_header_t->nameid, nameid, size_nameid);
+  new_header_t->nameid[size_nameid]='\0';
+
+  new_header_t->m_content_l = create_var_list_y_ptr_MSG_CONTENT_T();
+
+  return new_header_t;
+   
+
+}
+
+int funcCmp_y_ptr_HEADER_T(y_ptr_HEADER_T h1, y_ptr_HEADER_T h2){
+  if(h1==NULL || h2==NULL) return -1;
+  if(h1->size_nameid == h2->size_nameid){
+    if(h1->cmd_t == h2->cmd_t){
+      return strcmp(h1->nameid, h2->nameid);
+    }else return (h1->cmd_t - h2->cmd_t);
+  }else if(h1->size_nameid < h2->size_nameid){ 
+    return -1;
+  }else return 1;
+}
+
+#define TEST_DUPLICATE_SEQ()\
+      if(temp_curr->value->seq == cnt->seq){\
+          printf("debug: index_nearest_seq=%ld: seq equal: doublon problem ? seq:%ld appuyer sur une touche\n", index_nearest_seq, cnt->seq);\
+          free_y_ptr_MSG_CONTENT_T(cnt); \
+          getchar();\
+          return -2;\
+      }
+        
+long y_append_content_to_header_l(struct main_list_y_ptr_HEADER_T *m_head_l_t, y_ptr_MSG_CONTENT_T cnt){
+  
+  y_ptr_HEADER_T current_header = create_y_ptr_HEADER_T(cnt->nameid, cnt->size_nameid, cnt->cmd_t);
+  struct list_y_ptr_HEADER_T * l_ocate_header = search_first_occ_from_begin_in_list_y_ptr_HEADER_T(m_head_l_t, current_header, funcCmp_y_ptr_HEADER_T);
+  printf("debug: search done, nameid:%s, #%ld\n",cnt->nameid, cnt->size_nameid);
+  if(l_ocate_header){
+    free_y_ptr_HEADER_T(current_header);
+    pthread_mutex_t *mut_m_content_l = l_ocate_header->value->m_content_l->mut_list;
+    pthread_mutex_lock(mut_m_content_l);
+    struct list_y_ptr_MSG_CONTENT_T * current_cnt = l_ocate_header->value->m_content_l->current_list;
+    struct list_y_ptr_MSG_CONTENT_T * end_cnt = l_ocate_header->value->m_content_l->end_list;
+    struct list_y_ptr_MSG_CONTENT_T * begin_cnt = l_ocate_header->value->m_content_l->begin_list;
+    
+    if(begin_cnt == NULL){ 
+      pthread_mutex_unlock(mut_m_content_l);
+      printf("debug: current_cnt==NULL, size_ m_content_l=%ld cnt->seq=%ld, push_back_list_y_ptr_MSG_CONTENT_T\n", l_ocate_header->value->m_content_l->size, cnt->seq);
+      push_back_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, cnt);
+      printf("debug: after current_cnt==NULL, size_ m_content_l=%ld cnt->seq=%ld, push_back_list_y_ptr_MSG_CONTENT_T\n", l_ocate_header->value->m_content_l->size, cnt->seq);
+      return 0;
+    }
+    long last_seq = end_cnt->value->seq;
+    if(cnt->seq > last_seq){
+      pthread_mutex_unlock(mut_m_content_l);
+      push_back_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, cnt);
+      return 0;
+    }
+    
+    struct list_y_ptr_MSG_CONTENT_T *temp_curr = NULL;
+    
+    long from_current_seq = current_cnt->value->seq - cnt->seq; \
+    size_t abs_cur_diff_seq = abs(from_current_seq); \
+    size_t array_diff_seq[3]  = {cnt->seq -  begin_cnt->value->seq, abs_cur_diff_seq , end_cnt->value->seq - cnt->seq}; \
+    size_t index_nearest_seq = ARG_MIN_ARRAY_TYPE_SIZE_T(array_diff_seq, 3);\
+    if(index_nearest_seq == 0){\
+      for(temp_curr = begin_cnt ;temp_curr && (temp_curr->value->seq < cnt->seq); temp_curr = temp_curr->next){} 
+      if(temp_curr){
+        l_ocate_header->value->m_content_l->current_list = temp_curr;
+        pthread_mutex_unlock(mut_m_content_l);
+        TEST_DUPLICATE_SEQ()
+        return insert_into_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, temp_curr->index, cnt);
+      }else{
+        pthread_mutex_unlock(mut_m_content_l);
+        push_back_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, cnt);
+        return 0;
+      }
+    }\
+    else if(index_nearest_seq == 2){
+      
+      for(temp_curr = end_cnt; temp_curr && temp_curr->value->seq > cnt->seq; temp_curr = temp_curr->preview) {}
+      if(temp_curr){
+        l_ocate_header->value->m_content_l->current_list = temp_curr;
+        pthread_mutex_unlock(mut_m_content_l);
+        TEST_DUPLICATE_SEQ()
+        return insert_into_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, temp_curr->index + 1, cnt);
+      }else{
+        pthread_mutex_unlock(mut_m_content_l);
+        push_front_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, cnt);
+        return 0;
+      }
+    }else if(from_current_seq >= 0) {
+      for(temp_curr = current_cnt; temp_curr && temp_curr->value->seq > cnt->seq; temp_curr = temp_curr->preview) {}
+      if(temp_curr){
+        l_ocate_header->value->m_content_l->current_list = temp_curr;
+        pthread_mutex_unlock(mut_m_content_l);
+        TEST_DUPLICATE_SEQ()
+        return insert_into_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, temp_curr->index + 1, cnt);
+      }else{
+        pthread_mutex_unlock(mut_m_content_l);
+        push_front_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, cnt);
+        return 0;
+      }
+
+    }else{  
+      for(temp_curr = current_cnt ;temp_curr && (temp_curr->value->seq < cnt->seq); temp_curr = temp_curr->next){} 
+      if(temp_curr){
+        l_ocate_header->value->m_content_l->current_list = temp_curr;
+        pthread_mutex_unlock(mut_m_content_l);
+        TEST_DUPLICATE_SEQ()
+        return insert_into_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, temp_curr->index, cnt);
+      }else{
+        pthread_mutex_unlock(mut_m_content_l);
+        push_back_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, cnt);
+        return 0;
+      }
+    }
+
+
+#if 0
+       // cnt->seq < last_seq
+    while(current_cnt){
+      printf("debug: last_seq: %ld, cnt->seq=%ld, current_cnt->value->seq:%ld\n", last_seq, cnt->seq,current_cnt->value->seq);
+      if(cnt->seq == current_cnt->value->seq){
+        printf("debug: equal last_seq: %ld, cnt->seq=%ld, current_cnt->value->seq:%ld\n", last_seq, cnt->seq,current_cnt->value->seq);
+        //return -2;
+      }
+      if(cnt->seq < last_seq && cnt->seq > current_cnt->value->seq){
+        pthread_mutex_unlock(mut_m_content_l);
+      /*if(cnt->seq > last_seq && cnt->seq < current_cnt->value->seq)*/
+        return insert_into_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, current_cnt->index + 1, cnt);
+      }else if(current_cnt->preview==NULL){
+        pthread_mutex_unlock(mut_m_content_l);
+        push_front_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, cnt);
+        return 0;
+      }
+      last_seq = current_cnt->value->seq;
+      current_cnt = current_cnt->preview;
+      
+    }
+    printf("debug: some thing wrong here! last_seq: %ld, cnt->seq=%ld\n", last_seq, cnt->seq);
+    return -1;
+#endif
+  }
+  else{
+    push_back_list_y_ptr_MSG_CONTENT_T(current_header->m_content_l, cnt);
+    push_back_list_y_ptr_HEADER_T(m_head_l_t, current_header);
+    printf("debug:  push_back_list_y_ptr_HEADER_T when l_ocate_header == NULL, m_head_l_t->size=%ld\n",m_head_l_t->size);
+    return 0;
+  }
+}
+
+
+
+long y_append_content_to_header_l_from_end(struct main_list_y_ptr_HEADER_T *m_head_l_t, y_ptr_MSG_CONTENT_T cnt){
+  
+  y_ptr_HEADER_T current_header = create_y_ptr_HEADER_T(cnt->nameid, cnt->size_nameid, cnt->cmd_t);
+  struct list_y_ptr_HEADER_T * l_ocate_header = search_first_occ_from_begin_in_list_y_ptr_HEADER_T(m_head_l_t, current_header, funcCmp_y_ptr_HEADER_T);
+  printf("debug: search done, nameid:%s, #%ld\n",cnt->nameid, cnt->size_nameid);
+  if(l_ocate_header){
+    free_y_ptr_HEADER_T(current_header);
+    struct list_y_ptr_MSG_CONTENT_T * current_cnt = l_ocate_header->value->m_content_l->end_list;
+    if(current_cnt == NULL){ 
+      printf("debug: current_cnt==NULL, size_ m_content_l=%ld cnt->seq=%ld, push_back_list_y_ptr_MSG_CONTENT_T\n", l_ocate_header->value->m_content_l->size, cnt->seq);
+      push_back_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, cnt);
+      printf("debug: after current_cnt==NULL, size_ m_content_l=%ld cnt->seq=%ld, push_back_list_y_ptr_MSG_CONTENT_T\n", l_ocate_header->value->m_content_l->size, cnt->seq);
+      return 0;
+    }
+    long last_seq = current_cnt->value->seq + 1;
+    if(cnt->seq >= last_seq){
+      push_back_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, cnt);
+      return 0;
+    }
+    // cnt->seq < last_seq
+    while(current_cnt){
+      printf("debug: last_seq: %ld, cnt->seq=%ld, current_cnt->value->seq:%ld\n", last_seq, cnt->seq,current_cnt->value->seq);
+      if(cnt->seq == current_cnt->value->seq){
+        printf("debug: equal last_seq: %ld, cnt->seq=%ld, current_cnt->value->seq:%ld\n", last_seq, cnt->seq,current_cnt->value->seq);
+        //return -2;
+      }
+      if(cnt->seq < last_seq && cnt->seq > current_cnt->value->seq){
+      /*if(cnt->seq > last_seq && cnt->seq < current_cnt->value->seq)*/
+        return insert_into_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, current_cnt->index + 1, cnt);
+      }else if(current_cnt->preview==NULL){
+        push_front_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, cnt);
+        return 0;
+      }
+      last_seq = current_cnt->value->seq;
+      current_cnt = current_cnt->preview;
+      
+    }
+    printf("debug: some thing wrong here! last_seq: %ld, cnt->seq=%ld\n", last_seq, cnt->seq);
+    return -1;
+
+  }
+  else{
+    push_back_list_y_ptr_MSG_CONTENT_T(current_header->m_content_l, cnt);
+    push_back_list_y_ptr_HEADER_T(m_head_l_t, current_header);
+    printf("debug:  push_back_list_y_ptr_HEADER_T when l_ocate_header == NULL, m_head_l_t->size=%ld\n",m_head_l_t->size);
+    return 0;
+  }
+}
+
+
+long y_append_content_to_header_l_from_begin(struct main_list_y_ptr_HEADER_T *m_head_l_t, y_ptr_MSG_CONTENT_T cnt){
+  
+  y_ptr_HEADER_T current_header = create_y_ptr_HEADER_T(cnt->nameid, cnt->size_nameid, cnt->cmd_t);
+  struct list_y_ptr_HEADER_T * l_ocate_header = search_first_occ_from_begin_in_list_y_ptr_HEADER_T(m_head_l_t, current_header, funcCmp_y_ptr_HEADER_T);
+  printf("debug: search done, nameid:%s, #%ld\n",cnt->nameid, cnt->size_nameid);
+  if(l_ocate_header){
+    free_y_ptr_HEADER_T(current_header);
+    struct list_y_ptr_MSG_CONTENT_T * current_cnt = l_ocate_header->value->m_content_l->begin_list;
+    if(current_cnt == NULL){ 
+      printf("debug: current_cnt==NULL, size_ m_content_l=%ld cnt->seq=%ld, push_back_list_y_ptr_MSG_CONTENT_T\n", l_ocate_header->value->m_content_l->size, cnt->seq);
+      push_back_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, cnt);
+      printf("debug: after current_cnt==NULL, size_ m_content_l=%ld cnt->seq=%ld, push_back_list_y_ptr_MSG_CONTENT_T\n", l_ocate_header->value->m_content_l->size, cnt->seq);
+      return 0;
+    }
+    long last_seq = -1;
+    while(current_cnt){
+      printf("debug: last_seq: %ld, cnt->seq=%ld, current_cnt->value->seq:%ld\n", last_seq, cnt->seq,current_cnt->value->seq);
+      if(cnt->seq == current_cnt->value->seq){
+        printf("debug: equal last_seq: %ld, cnt->seq=%ld, current_cnt->value->seq:%ld\n", last_seq, cnt->seq,current_cnt->value->seq);
+        //return -2;
+      }
+      if(cnt->seq > last_seq && cnt->seq < current_cnt->value->seq){
+        return insert_into_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, current_cnt->index, cnt);
+      }else if(current_cnt->next==NULL){
+        push_back_list_y_ptr_MSG_CONTENT_T(l_ocate_header->value->m_content_l, cnt);
+        return 0;
+      }
+      last_seq = current_cnt->value->seq;
+      current_cnt = current_cnt->next;
+      
+    }
+    printf("debug: some thing wrong here! last_seq: %ld, cnt->seq=%ld\n", last_seq, cnt->seq);
+    return -1;
+
+  }
+  else{
+    push_back_list_y_ptr_MSG_CONTENT_T(current_header->m_content_l, cnt);
+    push_back_list_y_ptr_HEADER_T(m_head_l_t, current_header);
+    printf("debug:  push_back_list_y_ptr_HEADER_T when l_ocate_header == NULL, m_head_l_t->size=%ld\n",m_head_l_t->size);
+    return 0;
+  }
+}
+
+struct list_y_ptr_HEADER_T * check_if_all_contents_done_from_headers(struct main_list_y_ptr_HEADER_T *m_head_l_t, y_ptr_MSG_CONTENT_T cnt){
+
+  y_ptr_HEADER_T current_header = create_y_ptr_HEADER_T(cnt->nameid, cnt->size_nameid, cnt->cmd_t);
+  printf("debug: check_if_all_contents_done_from_headers, begin search\n");
+  struct list_y_ptr_HEADER_T * l_ocate_header = search_first_occ_from_begin_in_list_y_ptr_HEADER_T (m_head_l_t, current_header, funcCmp_y_ptr_HEADER_T);
+  printf("debug: check_if_all_contents_done_from_headers, search done\n");
+  free_y_ptr_HEADER_T(current_header);
+  if(l_ocate_header){
+    printf("debug: check_if_all_contents_done_from_headers, l_ocate_header->index=%ld\n",l_ocate_header->index);
+    if(l_ocate_header->value->m_content_l){
+    struct list_y_ptr_MSG_CONTENT_T *end_list = l_ocate_header->value->m_content_l->end_list;
+    printf("debug: check_if_all_contents_done_from_headers, l_ocate_header->m_content_l->size=%ld,\n",l_ocate_header->value->m_content_l->size);
+    if(end_list){
+      printf("debug: check_if_all_contents_done_from_headers, end->eof=%d, end->seq=%ld, end->index = %ld\n",end_list->value->eof, end_list->value->seq, end_list->index);
+      // check if all contents are done!
+      if(end_list->value->eof && end_list->value->seq == end_list->index){  
+        return l_ocate_header;
+      }
+    }else{
+      printf("debug: check_if_all_contents_done_from_headers, end_list==NULL\n");
+      
+    }
+    }else{
+      
+      printf("debug: check_if_all_contents_done_from_headers, l_ocate_header->value->m_content_l==NULL\n");
+    }
+
+  }
+  return NULL;
+}
+
+int remove_content_from_headers(struct main_list_y_ptr_HEADER_T *m_head_l_t, y_ptr_MSG_CONTENT_T cnt){
+  
+  y_ptr_HEADER_T current_header = create_y_ptr_HEADER_T(cnt->nameid, cnt->size_nameid, cnt->cmd_t);
+  struct list_y_ptr_HEADER_T * l_ocate_header = search_first_occ_from_begin_in_list_y_ptr_HEADER_T (m_head_l_t, current_header, funcCmp_y_ptr_HEADER_T);
+  free_y_ptr_HEADER_T(current_header);
+  if(l_ocate_header){
+    struct list_y_ptr_MSG_CONTENT_T *end_list = l_ocate_header->value->m_content_l->end_list;
+    // check if all contents are done!
+    if(end_list->value->eof && end_list->value->seq == end_list->index){ //l_ocate_header->value->m_content_l->size - 1
+      struct list_y_ptr_HEADER_T *current_list = pull_index_from_list_y_ptr_HEADER_T(m_head_l_t, l_ocate_header->index);
+      
+      if(current_list == l_ocate_header){
+        
+        free_y_ptr_HEADER_T(l_ocate_header->value);
+        free(l_ocate_header);
+      }
+      return 0;
+    }
+    else{
+      printf("some thing wrong here: EOF:%d seq_end:%ld, size m_content_l :%ld\n",end_list->value->eof, end_list->value->seq, l_ocate_header->value->m_content_l->size);
+      return 1;
+    }
+  }
+  else{
+    printf("\n%s is not in header list\n",cnt->nameid);
+    return -1;
+  }
+}
 
 void fileNameDateScore(char* filename, char * pre, char* post,size_t score){
  // char *filename=malloc(256);
@@ -15,6 +365,16 @@ void fileNameDateScore(char* filename, char * pre, char* post,size_t score){
   //return filename;
 }
 
+char * time_id(){
+ // char *filename=malloc(256);
+  char *timeid=malloc(128);
+  time_t t = time(NULL);
+  struct tm tm = *localtime(&t);
+  sprintf(timeid,"%d%02d%02d%02d%02d%02d", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
+
+  return timeid;
+  //return filename;
+}
 
 #if 0
 struct arg_send_file{
@@ -24,68 +384,26 @@ struct arg_send_file{
 };
 #endif
 /* */
-void y_send_post_file_to_all_nodes(void *arg){
-  struct arg_send_file *argS=(struct arg_send_file*)arg;
 
-	struct pollfd *fds=argS->fds;
-	struct main_list_y_NODE_T *nodes=argS->nodes;
-	char * filename=argS->filename;
-#if TEMP_ADDR
-  char tempAddr[BUF_SIZE+1];
-#endif
-  int c_af;
-//  char host[NI_MAXHOST], service[NI_MAXSERV];
-  char buf_send[BUF_SIZE+1]={0};
-  int fd_file;
-  int retsprintf = snprintf(buf_send, 50,"post file %s", filename );
-  printf("debug: buf_send=%s, size=%d\n",buf_send, retsprintf);
-
-      for(struct list_y_NODE_T *local_list_current = nodes->begin_list; local_list_current; local_list_current=local_list_current->next ){
-            //memset(tempAddr, 0, BUF_SIZE+1);
-            c_af=(local_list_current->value).addr.ss_family;
-#if TEMP_ADDR
-						if(c_af==AF_INET){
-               if(NULL == inet_ntop(c_af, 
-                &(GET_IN_type_ADDR(&(local_list_current->value),)),
+size_t set_tempAddr_from_node(char *tempAddr, y_NODE_T node) {
+      int c_af=(node).addr.ss_family;
+            if(c_af==AF_INET){
+               if(NULL == inet_ntop(c_af,
+                &(GET_IN_type_ADDR(&(node),)),
                 tempAddr, BUF_SIZE/*(argSock->local_list_current->value).addr_len*/)){
                 fprintf(stderr, "error inet_ntop v4\n");
               }
             }else if(c_af==AF_INET6){
-               if(NULL == inet_ntop(c_af, 
-                &(GET_IN_type_ADDR(&(local_list_current->value),6)),
+               if(NULL == inet_ntop(c_af,
+                &(GET_IN_type_ADDR(&(node),6)),
                 tempAddr, BUF_SIZE /*(argSock->local_list_current->value).addr_len*/)){
                 fprintf(stderr, "error inet_ntop v6 :errno=%d\n",errno);
               }
             }
-#endif
-#if 0
-						off_t offset = 0;  
-						ssize_t ret_sendfile ;
-						while((ret_sendfile = sendfile(fds[(c_af==AF_INET6)].fd ,fd_file, &offset, BUF_SIZE))>0){
-								
-						}
-#endif
-         /// printf("debug: destination %s :\n",tempAddr);
+            size_t ret_len = strlen(tempAddr);
+            return ret_len;
+}
 
-            if(sendto(fds[(c_af==AF_INET6)].fd, 
-              buf_send, retsprintf,
-              /*msgRet, len_msgRet,*/ 
-              0, 
-              (struct sockaddr*)&((local_list_current->value).addr), 
-              (local_list_current->value).addr_len) != 
-              retsprintf
-              /*len_msgRet*/
-              ){
-#if TEMP_ADDR
-							fprintf(stderr, "Error sending response to %s\n",tempAddr);
-#endif
-						}else{
-#if TEMP_ADDR
-							printf("debug: sending %s to < %s >",buf_send,tempAddr);
-#endif
-						}
-          }
-        }
 
 /* */
 #define TEMP_ADDR 1
@@ -98,7 +416,7 @@ void* y_socket_send_file_for_all_nodes(void* arg){
 	struct main_list_y_NODE_T *nodes=argS->nodes;
 	char * filename=argS->filename;
 #if TEMP_ADDR
-  char tempAddr[BUF_SIZE+1];
+  char tempAddr[64];
 #endif
   int c_af;
 //  char host[NI_MAXHOST], service[NI_MAXSERV];
@@ -117,99 +435,68 @@ void* y_socket_send_file_for_all_nodes(void* arg){
           push_back_list_y_NODE_T(nodes, node);
         
 #endif        
-       fd_file = open( filename , O_RDONLY);
+				
+      size_t seq = 0;//, len_buf_header=0, 
+       size_t len_local_header_=0;
+       char * timeid = time_id();
+      for(struct list_y_NODE_T *local_list_current = nodes->begin_list; local_list_current; local_list_current=local_list_current->next ){
+  
+  fd_file = open( filename , O_RDONLY);
        if(fd_file == -1){
          fprintf(stderr,"error opening file |%s| for reading\n",filename);
          return NULL;
        }
- 				
-		   y_send_post_file_to_all_nodes(arg);
-       usleep(1);
-       //for(struct list_y_NODE_T *local_list_current = nodes->begin_list; local_list_current; local_list_current=local_list_current->next )
+       set_tempAddr_from_node(tempAddr, local_list_current->value);
+       c_af=(local_list_current->value).addr.ss_family;
 
-       //memset(buf_send, 0, BUF_SIZE+1);
-       while((retread = read(fd_file, buf_send, BUF_SIZE) ) > 0 ){
-          buf_send[retread]='\0';
-          //memset(msgRet, 0, BUF_SIZE + NI_MAXHOST + NI_MAXSERV + 100);
-  //        sprintf(msgRet, "from %s:%s =%s",host, service, buf);
-          
-  //        len_msgRet = strlen(msgRet);
-         ///printf("debug: sending response  %s :\n",buf_send);
-          
-					//FOR_LIST_FORM_BEGIN(y_NODE_T, nodes)
-          for(struct list_y_NODE_T *local_list_current = nodes->begin_list; local_list_current; local_list_current=local_list_current->next ){
-            //memset(tempAddr, 0, BUF_SIZE+1);
-            c_af=(local_list_current->value).addr.ss_family;
-#if TEMP_ADDR
-						if(c_af==AF_INET){
-               if(NULL == inet_ntop(c_af, 
-                &(GET_IN_type_ADDR(&(local_list_current->value),)),
-                tempAddr, BUF_SIZE/*(argSock->local_list_current->value).addr_len*/)){
-                fprintf(stderr, "error inet_ntop v4\n");
-              }
-            }else if(c_af==AF_INET6){
-               if(NULL == inet_ntop(c_af, 
-                &(GET_IN_type_ADDR(&(local_list_current->value),6)),
-                tempAddr, BUF_SIZE /*(argSock->local_list_current->value).addr_len*/)){
-                fprintf(stderr, "error inet_ntop v6 :errno=%d\n",errno);
-              }
-            }
-#endif
-#if 0
-						off_t offset = 0;  
-						ssize_t ret_sendfile ;
-						while((ret_sendfile = sendfile(fds[(c_af==AF_INET6)].fd ,fd_file, &offset, BUF_SIZE))>0){
-								
-						}
-#endif
-         /// printf("debug: destination %s :\n",tempAddr);
+       seq=0;
 
-#if 	1				
+       len_local_header_ = sprintf(buf_send, "{ \"cmd\" : \"post file %s\", \"seq\" : %ld , \"dst\" : \"%s\" , \"tm\" : \"%s\" }",filename, seq,tempAddr, timeid);
+       while((retread = read(fd_file, buf_send+len_local_header_, BUF_SIZE - len_local_header_) ) > 0 ){
+          buf_send[len_local_header_ + retread]='\0';
             if(sendto(fds[(c_af==AF_INET6)].fd, 
-              buf_send, retread,
-              /*msgRet, len_msgRet,*/ 
+              buf_send, retread+len_local_header_,
               0, 
               (struct sockaddr*)&((local_list_current->value).addr), 
               (local_list_current->value).addr_len) != 
-              retread
-              /*len_msgRet*/
+              retread + len_local_header_
               ){
-#if TEMP_ADDR
 							fprintf(stderr, "Error sending response to %s\n",tempAddr);
-#endif
 						}else{
-#if TEMP_ADDR
-							printf("debug: sending response to < %s >",tempAddr);
-#endif
+							printf("debug: sending response to < %s > seq=[%ld] ",tempAddr,seq);
 						}
+          
+            ++seq;    
+            len_local_header_ = sprintf(buf_send, "{ \"cmd\" : \"post file %s\", \"seq\" : %ld , \"dst\" : \"%s\" , \"tm\" : \"%s\" }",filename, seq,tempAddr, timeid);
           }
-#endif
-
-#if 0
-          //memset(buf_send, 0, BUF_SIZE+1);
-          retread = sprintf(buf_send, "post file %s", filename);
-          if(sendto(fds[(c_af==AF_INET6)].fd, 
-              buf_send, retread,
-              /*msgRet, len_msgRet,*/ 
-              0, 
-              (struct sockaddr*)&((local_list_current->value).addr), 
-              (local_list_current->value).addr_len) != 
-              retread
-              /*len_msgRet*/
+            len_local_header_ = sprintf(buf_send, "{ \"cmd\" : \"post file %s\", \"seq\" : %ld , \"EOF\" : true , \"dst\" : \"%s\" , \"tm\" : \"%s\" }",filename, seq, tempAddr,timeid);
+            if(sendto(fds[(c_af==AF_INET6)].fd,
+              buf_send, len_local_header_,
+              0,
+              (struct sockaddr*)&((local_list_current->value).addr),
+              (local_list_current->value).addr_len) !=
+              len_local_header_
               ){
-							fprintf(stderr, "Error sending response to %s\n",tempAddr);
-					}else{
-							printf("debug: sending response to < %s >",tempAddr);
-					}
-#endif
-
-        }
+              fprintf(stderr, "Error ending  response to %s, len_buf_header=%ld\n", tempAddr, len_local_header_);
+            }else{
+              printf("debug: ending response to < %s > [%ld] EOF",tempAddr,seq);
+            }
 
         close(fd_file);
-        printf("debug: fd=%d closed: filename=%s\n",fd_file,filename);
+        printf("debug: fd=%d closed: filename=%s, for index = %ld\n",fd_file,filename, local_list_current->index);
+              
+          }
+
+
+
+        free(timeid);
   return NULL;
 }
 
+
+
+//main_list_y_ptr_HEADER_T  
+
 /*
 struct arg_record_to_file{
   int *is_file_to_record,
@@ -221,8 +508,115 @@ void record_buffer_to_file(void *arg){
   
 }
 */
-void receve_from_node(struct pollfd *fds, char *msg, size_t count){
-    printf("\ndebug: <<<< receve_from_node %s %ld\n\n",msg,count); 
+#if 1
+void receve_from_node(struct main_list_y_ptr_HEADER_T *m_head_l_t, struct main_list_y_ptr_STRING *m_str, char * srcAddr, char *filename ){
+    //printf("\ndebug: <<<< receve_from_node %s %ld\n\n",msg,count); 
+
+
+          //size_t size_m_str = 0;
+          struct list_y_ptr_STRING * local_current_no_rec = m_str->begin_list; 
+          struct list_y_ptr_STRING * local_current;
+            for(local_current = local_current_no_rec; local_current; local_current = local_current->next){
+              char *buf_loc = local_current->value->buf;
+              char nameid[BUF_SIZE]="";
+              size_t size_nameid=0;
+              struct js_value * js_header_v = create_js_value(buf_loc,NULL);
+              //struct js_value *js_cmd_v = get_js_value_of_key("cmd", js_header_v );
+              //printf("debug: index=[%ld] \n BEGIN file ***\n%s\n END\n",local_current->index,buf_loc);
+              if(js_header_v){
+
+
+                struct js_value *js_seq_v = get_js_value_of_key("seq", js_header_v );
+                char eof=0;
+                if(js_seq_v){
+                  if(js_seq_v->type.object.value->code_type == jstype_number){
+                    size_t seq_local = (long)(js_seq_v->type.object.value->type.number);
+                      printf("debug:  \n*********seq_local=%ld ***\n\n",seq_local);
+                    
+                    struct js_value *js_eof_v = get_js_value_of_key("EOF", js_header_v );
+                    if(js_eof_v){
+                   //   size_m_str = seq_local;
+                      eof=1;
+                      printf("debug:  \n****************************end of file ***\n\n");
+                      //printf("debug:  \n****************************end of file ***\n%s\n**********************************\n",buf_loc);
+                    }
+                    
+                    struct js_value *js_dst_v = get_js_value_of_key("dst", js_header_v );
+                    if(js_dst_v){
+                      struct js_value *js_tm_v = get_js_value_of_key("tm", js_header_v );
+                      if(js_tm_v){
+                         size_t length_js_header = js_org_str_length(js_header_v);
+                         char *content = buf_loc+ length_js_header;
+                         size_t size_content = strlen(content);// js_header_v->length - length_js_header;
+                         enum cmd_type cmd_t = cmd_post_file;
+                         size_nameid = sprintf(nameid, "%s_%s_%s_%s",filename,srcAddr, value_of_(js_dst_v)->type.string,value_of_(js_tm_v)->type.string);
+                         printf("debug: nameid = %s\n", nameid);
+                         y_ptr_MSG_CONTENT_T y_msg_cnt=create_y_ptr_MSG_CONTENT_T(nameid, size_nameid, content, size_content, cmd_t, seq_local,eof);
+                         long ret_app = y_append_content_to_header_l(m_head_l_t,y_msg_cnt);
+                         if(ret_app != -2){
+                           struct list_y_ptr_HEADER_T * local_header = check_if_all_contents_done_from_headers(m_head_l_t, y_msg_cnt);
+                           if(local_header){
+                             struct main_list_y_ptr_MSG_CONTENT_T *m_content_l = local_header->value->m_content_l;
+                             struct list_y_ptr_MSG_CONTENT_T * tmpCnt_l = m_content_l->begin_list;
+                             while(tmpCnt_l){
+                               printf("debug: nameid:%s seq = %ld eof %d\n\n%s\n",tmpCnt_l->value->nameid, tmpCnt_l->value->seq, tmpCnt_l->value->eof, tmpCnt_l->value->content);
+                               tmpCnt_l=tmpCnt_l->next;
+                             }
+                             struct list_y_ptr_HEADER_T * l_head_to_remove = pull_index_from_list_y_ptr_HEADER_T(m_head_l_t, local_header->index);
+                             free_y_ptr_HEADER_T(l_head_to_remove->value);
+                             free(l_head_to_remove); 
+
+                           }  
+                         }
+
+                      }else{
+                        printf("debug: tm missing!");
+                      }
+                    }
+                    else{
+                      printf("debug: dst missing!");
+                    }
+                  }
+                  else{
+                    printf("debug:  \n SSSSSSSSSSSSSSSEEEEEEEEEEEEEEQQQQQQQQQQQQQ type:%d \n",js_seq_v->type.object.value->code_type);
+
+                  }
+                
+
+                }else{
+
+                    printf("debug:  \n NNNNNNNNNNNNNNNNOOOOOOOOOOOOOSSSSSSSSSSSSSSSEEEEEEEEEEEEEEQQQQQQQQQQQQQ :type header : %d \n",js_header_v->code_type);
+                }
+                              free_js_value(js_header_v);
+              }else{
+                printf("\ndebug NULLL JS___HHHEADER_V \n");
+              }
+            }
+            //if(local_current){
+            //  printf("debug: getchar\n");
+            //  getchar();
+
+            //}
+            //local_current_no_rec = local_current_no_rec->next;
+         
+
+          /*if(cur_index == size_m_str){
+            printf("debug:  all seq are received: %ld\n",cur_index);
+          }
+          else{
+            printf("debug:  some issue cur_index %ld vs size_m_str :%ld\n",cur_index,size_m_str);
+
+          }*/
+
+    if(m_str){
+      purge_ptr_type_list_y_ptr_STRING(m_str);
+      m_str = NULL;
+    }
+
+}
+
+#endif
+/*
     char filename[500];
     int fd_file;
     long int nread;
@@ -262,6 +656,5 @@ void receve_from_node(struct pollfd *fds, char *msg, size_t count){
         }
         printf("debug: <receve_from_node> close nread==%ld\n",nread);
         close(fd_file);
+*/
 
-
-}
diff --git a/y_socket_t/src/y_socket_t/y_list_string.c b/y_socket_t/src/y_socket_t/y_list_string.c
index d80fc8f..69b3d2f 100644
--- a/y_socket_t/src/y_socket_t/y_list_string.c
+++ b/y_socket_t/src/y_socket_t/y_list_string.c
@@ -7,7 +7,7 @@ struct y_string * create_y_ptr_STRING(const char *buf, size_t size){
   if(buf){
     //strncpy(string->buf, buf, size);
     //snprintf(string->buf, size, "%s", buf);
-    memcpy(string->buf, buf, size);
+    memcpy(string->buf, buf, size+1);
     //if(strlen(buf)>=size)
     if(buf[size]!='\0')
       string->buf[size]='\0';
diff --git a/y_socket_t/src/y_socket_t/y_socket_t.c b/y_socket_t/src/y_socket_t/y_socket_t.c
index cbc7be3..7bfc1d6 100644
--- a/y_socket_t/src/y_socket_t/y_socket_t.c
+++ b/y_socket_t/src/y_socket_t/y_socket_t.c
@@ -1,6 +1,7 @@
 /*file: src/y_socket_t/y_socket_t.c */
 
 #include "y_socket_t/y_socket_t.h"
+
 //#include "y_socket_t/y_list_string.h"
 //#include "json_t/json_t.h"
 
@@ -72,8 +73,8 @@ struct y_socket_t * y_socket_create(char *port, size_t size_fds, int nb_workers)
 
   sock_temp->port=port;
   sock_temp->nodes = create_var_list_y_NODE_T();
-	sock_temp->mut_nodes = malloc(sizeof(pthread_mutex_t));
-  pthread_mutex_init(sock_temp->mut_nodes, NULL);
+//	sock_temp->mut_nodes = malloc(sizeof(pthread_mutex_t));
+//  pthread_mutex_init(sock_temp->mut_nodes, NULL);
 	sock_temp->go_on = 1;
 	sock_temp->mut_go_on = malloc(sizeof(pthread_mutex_t));
   pthread_mutex_init(sock_temp->mut_go_on, NULL);
@@ -87,8 +88,8 @@ struct y_socket_t * y_socket_create_(char * port){
 void y_socket_free(struct y_socket_t *socket){
   free(socket->fds);
   free_all_var_list_y_NODE_T(socket->nodes);
-  pthread_mutex_destroy(socket->mut_nodes); 
-  free(socket->mut_nodes); 
+//  pthread_mutex_destroy(socket->mut_nodes); 
+//  free(socket->mut_nodes); 
   pthread_mutex_destroy(socket->mut_go_on); 
   free(socket->mut_go_on); 
   free(socket);
@@ -303,6 +304,22 @@ void  y_socket_get_fds(struct pollfd * fds, char * port, char * addrDistant){
         if(bind(fds[af].fd, rp->ai_addr, rp->ai_addrlen)==-1){
           close(fds[af].fd);
           fds[af].fd=-1;
+        }else{
+          char tempAddr[BUF_SIZE]={0};
+          if(af_array[af]==AF_INET){
+             if(NULL == inet_ntop(AF_INET, 
+              &(GET_IN_type_ADDR(rp->ai_addr,)),
+              tempAddr, BUF_SIZE)){
+              fprintf(stderr, "error inet_ntop v4\n");
+            }
+          }else if(af_array[af]==AF_INET6){
+             if(NULL == inet_ntop(AF_INET6, 
+              &(GET_IN_type_ADDR(rp->ai_addr,6)),
+              tempAddr, BUF_SIZE )){
+              fprintf(stderr, "error inet_ntop v6 :errno=%d\n",errno);
+            }
+          }
+          printf("\n\ndebug: ADDR_LOCAL v%d:%s\n\n", 2*af+4,tempAddr);
         }
 #if 0
 int flags = fcntl(fds[af].fd, F_GETFL);
@@ -322,17 +339,19 @@ int flags = fcntl(fds[af].fd, F_GETFL);
 
 }
 struct arg_handler_{
-  char *buf;
+  struct main_list_y_ptr_STRING *m_str;
+  //char *buf;
   struct pollfd *fds;
   y_NODE_T node;
   struct y_socket_t *sock;
   struct argWorker *argw ;
+  struct main_list_y_ptr_HEADER_T *m_head_l_t;
 };
 
 //void y_socket_handler_(char * buf, struct pollfd *fds, struct y_socket_t *sock) 
 void* y_socket_handler_(void *arg){ 
   struct arg_handler_ *argH = (struct arg_handler_ *)arg;
-  char *buf=argH->buf;
+  struct main_list_y_ptr_STRING *m_str =argH->m_str;
   struct pollfd *fds=argH->fds;
   struct y_socket_t *sock=argH->sock;
   struct argWorker *argw=argH->argw;
@@ -340,56 +359,139 @@ void* y_socket_handler_(void *arg){
   struct main_list_y_NODE_T *nodes = sock->nodes;
   update_nodes(argH->node, nodes);
 
-	printf("\n\n:::::::::::::::::::::::::::handler: : \n\n%s\n\n::::::::::::::::::::::::::\n",buf);
-  if(strncmp(buf, "get", 3)==0){
-    if(strncmp(buf+4,"file",4)==0){
-      char *filename = buf + 9;
-      struct arg_send_file *argS=malloc(sizeof(struct arg_send_file));
-      argS->fds=fds;
-      argS->nodes=nodes;
-      argS->filename=filename;
-      push_back_list_TYPE_PTR(argw->list_arg, argS);
-      struct y_task_t task_send={
-        .func=y_socket_send_file_for_all_nodes,
-        .arg=argS,
-        .status=TASK_PENDING,
-      };
-      push_tasQ(argw->argx->tasQ, task_send);
-      //y_socket_send_file_for_all_nodes(fds, nodes,  filename) ;
-    }
-  }
-  else if(strncmp(buf, "update", 6)==0){
-    if(strncmp(buf+7,"kill",4)==0){
-      pthread_mutex_lock(sock->mut_go_on);
-      sock->go_on = 0;
-      pthread_mutex_unlock(sock->mut_go_on);
-//      kill_all_workers(argw);
-//      printf("debug: kill_all\n");
+  char *buf_org = m_str->begin_list->value->buf;
+	//printf("\n\n:::::::::::::::::::::::::::handler: : \n\n%s\n\n::::::::::::::::::::::::::\n",buf_org);
+  struct js_value *js_header = create_js_value(buf_org, NULL);
+  if(js_header && js_header->code_type == jstype_object){
+    struct js_value *js_cmd = get_js_value_of_key("cmd", js_header );
+    if(js_cmd && js_cmd->type.object.value->code_type == jstype_string){
+      /**  */
+      struct js_value *js_seq = get_js_value_of_key("seq", js_header );
+      if(js_seq){
+        size_t seq_local = (long)(js_seq->type.object.value->type.number);
+        printf("debug:  \n HANDLER header  seq_local=%ld \n",seq_local);
+      }else{
+        printf("debug:  \n HANDLER header  no seq\n");
+  
+      }
+      /* */
+      char * buf = js_cmd->type.object.value->type.string; 
+
+      if(strncmp(buf, "get", 3)==0){
+        if(strncmp(buf+4,"file",4)==0){
+          size_t len_filename = strlen(buf + 9);
+          char *filename = malloc(len_filename+1);
+          memcpy(filename, buf + 9, len_filename );
+          filename[len_filename]='\0';
+          //printf("debug: filename: %s \n\n",filename);
+          struct arg_send_file *argS=malloc(sizeof(struct arg_send_file));
+          argS->fds=fds;
+          argS->nodes=nodes;
+          argS->filename=filename;
+          push_back_list_TYPE_PTR(argw->list_arg, argS);
+          push_back_list_TYPE_PTR(argw->list_arg, filename);
+          struct y_task_t task_send={
+            .func=y_socket_send_file_for_all_nodes,
+            .arg=argS,
+            .status=TASK_PENDING,
+          };
+          push_tasQ(argw->argx->tasQ, task_send);
+          //y_socket_send_file_for_all_nodes(fds, nodes,  filename) ;
+        }
+      }
+      else if(strncmp(buf, "update", 6)==0){
+        if(strncmp(buf+7,"kill",4)==0){
+          pthread_mutex_lock(sock->mut_go_on);
+          sock->go_on = 0;
+          pthread_mutex_unlock(sock->mut_go_on);
+    //      kill_all_workers(argw);
+    //      printf("debug: kill_all\n");
+        }
+
+      }
+      else if(strncmp(buf, "post", 4)==0){
+        if(strncmp(buf+5,"file",4)==0){
+          char *filename = buf+10;
+          //index_f=strcpy(filename, buf + 10);
+          int index_f = strlen(filename);
+          printf("debug: receve_from_node : file: %s\n",filename);
+          for(--index_f; index_f>=0;--index_f){
+            if(filename[index_f]=='/') {
+              ++index_f;
+              break;
+            }
+          }
+
+#if 0
+          //struct list_y_ptr_STRING * last_record_=NULL;
+          for(struct list_y_ptr_STRING * local_current = m_str->begin_list; local_current; local_current = local_current->next){
+            char *buf_loc = local_current->value->buf;
+            struct js_value * js_header_v = create_js_value(buf_loc,NULL);
+            //struct js_value *js_cmd_v = get_js_value_of_key("cmd", js_header_v );
+            //printf("debug: index=[%ld] \n BBBBBEGINNNNNN file ***\n%s\n EEEENDDDDD\n",local_current->index,buf_loc);
+            printf("debug: index=[%ld] \n",local_current->index);
+            if(js_header_v){
+
+            
+              struct js_value *js_seq_v = get_js_value_of_key("seq", js_header_v );
+              if(js_seq_v){  
+                if(js_seq_v->type.object.value->code_type == jstype_number){
+                  printf("debug: receve : \n################################# seq : %ld ###################################\n",(long)(js_seq_v->type.object.value->type.number));
+                }
+                else{
+                  printf("debug:  \n SSSSSSSSSSSSSSSEEEEEEEEEEEEEEQQQQQQQQQQQQQ type:%d \n",js_seq_v->type.object.value->code_type);
+
+                }
+              }else{
+
+                  printf("debug:  \n NNNNNNNNNNNNNNNNOOOOOOOOOOOOOSSSSSSSSSSSSSSSEEEEEEEEEEEEEEQQQQQQQQQQQQQ :type header : %d \n",js_header_v->code_type);
+              }
+              struct js_value *js_eof_v = get_js_value_of_key("EOF", js_header_v );
+              if(js_eof_v){
+                printf("debug:  \n****************************end of file ***\n%s\n**********************************\n",buf_loc);
+              }
+              else{
+                //printf("debug:  \n*******************************\n%s\n**********************************\n",buf_loc+js_org_str_length(js_header_v));
+              } 
+              free_js_value(js_header_v);
+            }else{
+              printf("\ndebug NULLL JS___HHHEADER_V \n"); 
+            }
+          }
+
+
+#else 
+        struct main_list_y_ptr_HEADER_T *m_head_l_t = argH->m_head_l_t;
+        char srcAddr[BUF_SIZE];
+        set_tempAddr_from_node(srcAddr, argH->node);
+        receve_from_node(m_head_l_t, m_str,srcAddr, filename + index_f);
+        m_str = NULL;
+#endif 
+         /*
+          pthread_mutex_lock(sock->mut_go_on);
+          sock->go_on = 0;
+          pthread_mutex_unlock(sock->mut_go_on);
+          */
+    //      kill_all_workers(argw);
+    //      printf("debug: kill_all\n");
+        }
+
+      }
+    
     }
 
   }
-  else if(strncmp(buf, "post", 4)==0){
-    if(strncmp(buf+5,"file",4)==0){
-      char filename[BUF_SIZE];
-      strcpy(filename, buf + 10);
-
-      printf("debug: receve_from_node : file: %s\n",filename);
-      receve_from_node(fds, filename, strlen(filename));
-      /*
-      pthread_mutex_lock(sock->mut_go_on);
-      sock->go_on = 0;
-      pthread_mutex_unlock(sock->mut_go_on);
-      */
-//      kill_all_workers(argw);
-//      printf("debug: kill_all\n");
-    }
-
+  free_js_value(js_header);
+  if(m_str){
+    purge_ptr_type_list_y_ptr_STRING(m_str);
+    printf("debug: purge_ptr_type_list_y_ptr_STRING in y_socket_handler_\n");
   }
   
 
-
   return NULL;
 }
+
+#if 0
 void handle_input_kbd(char *buf, ssize_t buf_len ,void *arg){
     struct y_socket_t * argSock = (struct y_socket_t*)arg;
     struct pollfd *fds = argSock->fds;
@@ -463,26 +565,67 @@ void handle_input_kbd(char *buf, ssize_t buf_len ,void *arg){
 			}
 		}
 }
+#endif
 
-void handle_buf_socket_rec(char *temp_all_buf, y_NODE_T node, struct main_list_ptr_y_WORKER_T * workers, struct argExecTasQ *argx, struct main_list_TYPE_PTR * list_arg, void * arg){
+void handle_buf_socket_rec(struct main_list_y_ptr_HEADER_T *m_head_l_t,struct main_list_y_ptr_STRING *m_str, y_NODE_T node, struct main_list_ptr_y_WORKER_T * workers, struct argExecTasQ *argx, struct main_list_TYPE_PTR * list_arg, void * arg){
   struct y_socket_t * argSock = (struct y_socket_t*)arg;
   struct pollfd *fds = argSock->fds;
+  
+  struct js_value *js_header = create_js_value(m_str->begin_list->value->buf, NULL);
+  if(js_header && js_header->code_type == jstype_object){
+    struct js_value *js_cmd = get_js_value_of_key("cmd", js_header );
+    if(js_cmd && js_cmd->type.object.value->code_type == jstype_string){
+      if(strncmp(js_cmd->type.object.value->type.string,"update standby",14)==0){
+        //pthread_mutex_lock(sock->mut_go_on);
+        //sock->go_on = 0;
+        //pthread_mutex_unlock(sock->mut_go_on);
+        standby_all_workers(workers->begin_list->value->arg);
+  //      printf("debug: kill_all\n");
+      }
+      else if(strncmp(js_cmd->type.object.value->type.string,"update wakeup",13)==0){
+        //pthread_mutex_lock(sock->mut_go_on);
+        //sock->go_on = 0;
+        //pthread_mutex_unlock(sock->mut_go_on);
+        wakeup_all_workers(workers->begin_list->value->arg);
+  //      printf("debug: kill_all\n");
+      }
+      else{
+        struct arg_handler_ *ptr_argHandl = malloc(sizeof(struct arg_handler_));
+          ptr_argHandl->m_str = m_str;
+          ptr_argHandl->fds=fds;
+          ptr_argHandl->sock=argSock;
+          ptr_argHandl->node=node;
+          ptr_argHandl->argw=workers->begin_list->value->arg;
+          ptr_argHandl->m_head_l_t=m_head_l_t;
+        
+        push_back_list_TYPE_PTR(list_arg, ptr_argHandl);
+        struct y_task_t task_handl = {
+          .func=y_socket_handler_,
+          .arg=ptr_argHandl,
+          .status=TASK_PENDING,
+        };
+        push_tasQ(argx->tasQ, task_handl);
+      }
 
+    }
+  }
+
+#if 0
    if(strncmp(temp_all_buf,"update standby",14)==0){
       //pthread_mutex_lock(sock->mut_go_on);
       //sock->go_on = 0;
       //pthread_mutex_unlock(sock->mut_go_on);
       standby_all_workers(workers->begin_list->value->arg);
 //      printf("debug: kill_all\n");
-    }
-    else if(strncmp(temp_all_buf,"update wakeup",13)==0){
+   }
+   else if(strncmp(temp_all_buf,"update wakeup",13)==0){
       //pthread_mutex_lock(sock->mut_go_on);
       //sock->go_on = 0;
       //pthread_mutex_unlock(sock->mut_go_on);
       wakeup_all_workers(workers->begin_list->value->arg);
 //      printf("debug: kill_all\n");
-    }
-    else{
+   }
+   else{
         struct arg_handler_ *ptr_argHandl = malloc(sizeof(struct arg_handler_));
           ptr_argHandl->buf = temp_all_buf;
           ptr_argHandl->fds=fds;
@@ -497,7 +640,9 @@ void handle_buf_socket_rec(char *temp_all_buf, y_NODE_T node, struct main_list_p
           .status=TASK_PENDING,
         };
         push_tasQ(argx->tasQ, task_handl);
-    }
+   }
+#endif
+   free_js_value(js_header);  
 }
 
 void *y_socket_poll_fds(void *arg){
@@ -533,9 +678,9 @@ void *y_socket_poll_fds(void *arg){
   y_NODE_T node;
   int af, status;
   ssize_t nread, buf_len;
-  char buf[BUF_SIZE];
-	struct main_list_y_ptr_STRING *m_str=create_var_list_y_ptr_STRING();
-
+  char buf[BUF_SIZE+1];
+	struct main_list_y_ptr_STRING *m_str=NULL;//=create_var_list_y_ptr_STRING();
+  struct main_list_y_ptr_HEADER_T *m_head_l_t = create_var_list_y_ptr_HEADER_T();
 //	char *temp_all_buf=NULL;
 
 //  char msgRet[BUF_SIZE + NI_MAXHOST + NI_MAXSERV + 100];
@@ -556,24 +701,33 @@ void *y_socket_poll_fds(void *arg){
     }
     for(af = v4; af<=v6;++af){
       if(fds[af].revents && POLLIN){
-				remove_all_ptr_type_list_y_ptr_STRING(m_str);
-        memset(buf, 0, BUF_SIZE);
+				//remove_all_ptr_type_list_y_ptr_STRING(m_str);
+        if(m_str == NULL)
+          m_str=create_var_list_y_ptr_STRING();
+        memset(buf, 0, BUF_SIZE+1);
+        
+#if 1	
 				while((nread = recvfrom(fds[af].fd, buf, BUF_SIZE, 0,
         (struct sockaddr *)&(node.addr), &(node.addr_len))) == BUF_SIZE){
-        	if(buf[nread-1]=='\n') buf[nread-1]='\0';
+        	
+          if(buf[nread-1]=='\n') 
+            buf[nread-1]='\0';
 					buf[nread]='\0';
+          
 						y_ptr_STRING y_buf = create_y_ptr_STRING(buf, nread);
 						push_back_list_y_ptr_STRING(m_str, y_buf);
-						///printf("debug: push_back_list_y_ptr_STRING of <%s>\n",buf);
+						//printf("debug: push_back_list_y_ptr_STRING of <%s>\n",buf);
 
 					
+        //memset(buf, 0, BUF_SIZE+1);
 					//printf("debug: nread: %ld vs  BUF_SIZE :%d \n",nread, BUF_SIZE);
 				}
 						//printf("debug: out nread: %ld vs BUF_SIZE :%d \n",nread, BUF_SIZE);
 				if(nread == -1)
          	fprintf(stderr,"error recvfrom\n");
-				else if(nread >= 0 && nread < BUF_SIZE){
-        	if(nread && buf[nread-1]=='\n') buf[nread-1]='\0';
+        else if(nread >= 0 && nread < BUF_SIZE){
+        	if(nread && buf[nread-1]=='\n'
+            ) buf[nread-1]='\0';
 					buf[nread]='\0';
           //printf("msg: %s\n",buf);
 					y_ptr_STRING y_buf = create_y_ptr_STRING(buf, nread);
@@ -581,6 +735,7 @@ void *y_socket_poll_fds(void *arg){
 					//printf("debug: out push_back_list_y_ptr_STRING of <%s>\n",buf);
 				
         }
+#endif
 
 #if 0  
         struct arg_update_nodes *argUP_N=malloc(sizeof(struct arg_update_nodes));
@@ -601,17 +756,22 @@ void *y_socket_poll_fds(void *arg){
           temp_all_buf=NULL;
         }*/
 				/*size_t total_buf = */ 
-        char * temp_all_buf = NULL;
+        /*char * temp_all_buf = NULL;
         copy_list_y_ptr_STRING_to_one_string(&temp_all_buf , m_str);
         push_back_list_TYPE_PTR(list_arg, temp_all_buf);
-  
+        */
    
-        handle_buf_socket_rec(temp_all_buf, node, workers, argx, list_arg, arg);
 			///
 				//y_socket_handler_(temp_all_buf, fds, argSock);
 
 			///
       }
+      if(m_str){
+				printf("debug:  call handle_buf_socket_rec\n");
+        handle_buf_socket_rec(m_head_l_t,m_str, node, workers, argx, list_arg, arg);
+      
+        m_str=NULL;
+      }
     }
 		// stdin poll
 		if(fds[2].revents){// && POLLIN
@@ -639,12 +799,13 @@ void *y_socket_poll_fds(void *arg){
 				printf("debug : index_str= %d; cmd=[%s]\n",index_str, cmd);
 					
 					index_str=0;
-					while(buf[index_buf]==' '){++index_buf;}
-					for(; buf[index_buf]!=' '; ++index_buf){
+					while((index_buf < buf_len) && (buf[index_buf]==' ')){++index_buf;}
+					for(; (index_buf < buf_len) && (buf[index_buf]!=' '); ++index_buf){
 						dst_addr[index_str++]=buf[index_buf];
 					}
 					dst_addr[index_str]='\0';
-					while(buf[index_buf]==' '){++index_buf;}
+					//while(buf[index_buf]==' '){++index_buf;}
+					while((index_buf < buf_len) && (buf[index_buf]==' ')){++index_buf;}
 					/*index_str=0;
 					for(; buf[index_buf]!='\n'; ++index_buf)
 						msg_buf[index_str++]=buf[index_buf];
@@ -699,8 +860,11 @@ void *y_socket_poll_fds(void *arg){
   }
 
 
-
-  purge_ptr_type_list_y_ptr_STRING(m_str);
+  if(m_str){
+    purge_ptr_type_list_y_ptr_STRING(m_str);
+    
+    printf("debug: m_str!=NULL -> purge_ptr_type_list_y_ptr_STRING done\n");
+  }
 /*
   if(temp_all_buf){
     free(temp_all_buf);
@@ -711,7 +875,8 @@ void *y_socket_poll_fds(void *arg){
   
   kill_all_workers(workers->begin_list->value->arg);
   printf("debug: kill all done\n");
-
+  purge_ptr_type_list_y_ptr_HEADER_T(m_head_l_t);
+  printf("debug: purge_ptr_type_list_y_ptr_HEADER_T done\n");
 ///// ///// /////
 
 
diff --git a/y_socket_t/test/Makefile b/y_socket_t/test/Makefile
index 823d2cb..ca875d6 100644
--- a/y_socket_t/test/Makefile
+++ b/y_socket_t/test/Makefile
@@ -11,7 +11,8 @@ YJSONDIR=$(PWD)/../../yjson_t
 
 ROOT_DIR=$(PWD)/..
 INCLUDE_DIR=$(ROOT_DIR)/include
-CFLAGS=-I$(INCLUDE_DIR) -I$(YTESTDIR)/include_ytest/include -I$(YLISTDIR)/src -I$(YWORKDIR)/include -I$(YJSONDIR)/src
+INCLUDE=-I$(INCLUDE_DIR) -I$(YTESTDIR)/include_ytest/include -I$(YLISTDIR)/src -I$(YWORKDIR)/include -I$(YJSONDIR)/src
+CFLAGS=-Wall -Werror -fpic $(INCLUDE)
 LDFLAGS=-L$(YTESTDIR) -lytest -lpthread -lm -lOpenCL
 
 #SRC_DIR=$(ROOT_DIR)/src
diff --git a/y_worker_t/src/y_worker_t/y_task_t.c b/y_worker_t/src/y_worker_t/y_task_t.c
index ff6cb34..2e36105 100644
--- a/y_worker_t/src/y_worker_t/y_task_t.c
+++ b/y_worker_t/src/y_worker_t/y_task_t.c
@@ -40,8 +40,8 @@ struct list_y_TASK_T* pull_tasQ(struct y_tasQ *tasQ){
   while(tasQ->list_tasQ->end_list == NULL){
     pthread_cond_wait(tasQ->cond_tasQ, tasQ->mut_tasQ);
   }
-  printf("debug: call pull_begin_from_list_y_TASK_T  debut\n");
   valueRet  = pull_begin_from_list_y_TASK_T(tasQ->list_tasQ);
+  printf("debug: call pull_begin_from_list_y_TASK_T  debut\n");
 //  valueRet  = pull_end_from_list_y_TASK_T(tasQ->list_tasQ);
   //printf("debug: call pull_begin_from_list_y_TASK_T  fin, is tasQ NULL? : %d\nis tasQ->list_tasQ NULL?:%d\n", tasQ==NULL, tasQ->list_tasQ == NULL);
   pthread_mutex_unlock(tasQ->mut_tasQ);